JUST WATCHED

Putin oversees large-scale military drills

MUST WATCH

Putin oversees large-scale military drills

The US and NATO allies are expressing concern over Russia staging large-scale exercises with Belarus along the borders of three NATO allies -- Latvia, Lithuania and Estonia. CNN's Frederik Pleitgen reports.

Putin oversees large-scale military drills

The US and NATO allies are expressing concern over Russia staging large-scale exercises with Belarus along the borders of three NATO allies -- Latvia, Lithuania and Estonia. CNN's Frederik Pleitgen reports.